Jawabanmu

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2014-03-20T07:51:06+07:00
Ek = 1/2 mv^2 48 = 1/2 6 v^2 48 = 3 v^2 V^2 = 48/3 = 16 V = akar 16 V = 4 m/s
1 5 1
2014-03-20T08:08:41+07:00
Ek=1/2 mv" 48= 1/2. 6. v" v". 3= 48 v"= 16 v= 4